A NASA establishment in Pasadena, California, founded in 1944 for missile development but which became part of NASA in 1958. It is operated for NASA by the California Institute of Technology (Caltech). JPL tracks and controls space probes, as well as developing new planetary missions. JPL manages the world-wide Deep Space Network, including its own antennas at Goldstone in the Mojave Desert. JPL also operates an observatory at Table Mountain, California, altitude 2290 m, equipped with a 1.2-m reflector and smaller instruments.
http://www.nasa.gov/centers/jpl/home/index.html Official website.
Subjects: Astronomy and Astrophysics.